by Agilent Technologies
ZORBAX Extend-C18
Extend-C18 columns incorporate a unique patented bidentate silane, combined with a double-endcapping process that protects the silica from dissolution at high pH - up to pH 11.5. Columns are best applied for separations of compounds that are either (1) basic and have little or no retention at low or intermediate pHs, (2) more stable or more soluble at high pH, or (3) basic and show poor peak shape at low or intermediate pH.
| Vendor | Agilent Technologies | Pore size | 80 |
| Brand | ZORBAX Extend-C18 | Surface Area | 180 |
| Modifification | Silica/C18 | Endcapped | Yes |
| Mode | Reversed-Phase | Operating Temperature | 60 |
| Particle Size | pH stability from | 2.0 | |
| Length | pH stability to | 11.5 | |
| Internal Diameter |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| GL Sciences | Inertsil ODS-3 | Reversed-Phase | Silica/C18 | 3.0 mm | 100 mm | 5.0 μm | 100 Å | On request |
| Luknova | Hyper C18-200 | Reversed-Phase | Silica/C18 | 3.0 mm | 150 mm | 3.0 μm | 200 Å | On request |
| Imtakt | Cadenza 5CW-C18 | Reversed-Phase | Silica/C18 | 2.0 mm | 250 mm | 5.0 μm | 300 Å | On request |
| Dionex | Acclaim 120 C18 | Reversed-Phase | Silica/C18 | 4.6 mm | 100 mm | 3.0 μm | 120 Å | On request |
| BISCHOFF | ProntoSIL Enviro-EXP 100-6-C18 | Reversed-Phase | Silica/C18 | 2.0 mm | 250 mm | 6.0 μm | 100 Å | On request |
| Merck | LiChrospher® | Reversed-Phase | Silica/C18 | 4.6 mm | 100 mm | 5.0 μm | 100 Å | On request |
| MACHEREY-NAGEL | NUCLEODUR POLARTEC | Reversed-Phase | Silica/C18 | 3.0 mm | 50 mm | 5.0 μm | 110 Å | 352.00 |
| Agilent Technologies | Agilent Polaris | Reversed-Phase | Silica/C18 | 4.0 mm | 150 mm | 5.0 μm | 180 Å | On request |
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